SAFETY COMMUNICATION Improper Rigging Techniques = Hazar Type of Incident: Improper Rigging Business Unit: BP GoM Shelf Location of Incident: Grand Isle 93 C Date of Incident: 8-11-01 Brief Account of Incident: While making a lif from a !oa o he plaform" he operaor pi#ked $p a #argo !aske and pro#eeded o s%ing a%a& from he !oa' While s%inging he !aske" he #argo s$ddenl& shifed #a$sing he (-ring on he la#h side of he hook o p$ll hro$gh he la#h' When he (-ring p$lled hro$gh he la#h" he %o par sling #ame $nhooked from he singer and he !aske dropped on one side res$ling in dropping some of he #argo ino he %aer' Outcome: )o in*$ries" !$ some of he #argo %as los' What Went Wrong: 1'+ ,he #argo !aske slings %ere oo shor o !e $ili ed %ih a single poin hook$p #a$sing an $nsa!le load and one ring o p$ll hro$gh he hook' .'+ ,he minim$m re#ommended sling angle / 0 degrees+ !e%een he sling and he load %as no mainained' #$al angle %as a!o$ 32 degrees' 3'+ ,he riggers on he !oa failed o sop he *o! and $sed a poor rigging e#hni $e /single line singer hook+' 4'+ ,he #rane operaor failed o o!ser5ehe rigging e#hni $es prior o saring he lif' Corrective Actions To Prevent ecurrence: 1'+ 6ili e %o-par slings %hen lifing similar #argo !askes' .'+ Crane operaors and riggers sho$ld al%a&s mainain a minim$m angle of 0 degrees !e%een he sling and he load' 3'+ S$per5isors m$s reinfor#e he ne#essi& of sopping he *o! %hen proper rigging is no !eing $sed' 4'+ S$per5isors sho$ld re5ie% his #omm$ni#aion %ih all #rane operaors and riggers d$ring a safe& meeing' igging u!es of Thum": 1'+ 6se he same n$m!er of pi#k$p slings as he n$m!er of o- rings on he load rigging' .'+ 7a#h sling leg sho$ld !e a leas e $al disan#e !e%een he load pi#k$p poins /forming an e $alaeral riangle+ regardless of %heher $sing a single singer or %o legged hook$p' ,his %ill al%a&s gi5e he preferred 0 degree sling angle' / ig$re 3+ #igure $: %imi!ar cargo "as&et 'ith incorrect ang!e( #igure ): %imi!ar hoo& point 'ith incorrect s!i ang!e * ha+ard( #igure ,: u!es of Thum" Iss$ed -./ -./ -./ 0 0 !OA"